package com.whq.security.authentication;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.whq.security.properties.LoginType;
import com.whq.security.properties.SecurityProperties;
import com.whq.security.resp.CommonReturnType;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.SimpleUrlAuthenticationFailureHandler;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 认证失败处理返回：JSON或者跳转页面
 */
@Component
public class AuthencationFailureHandler extends SimpleUrlAuthenticationFailureHandler {

    private Logger logger = LoggerFactory.getLogger(getClass());

    @Autowired
    private ObjectMapper objectMapper;

    @Autowired
    private SecurityProperties securityProperties;

    @Override
    public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response, AuthenticationException exception) throws IOException, ServletException {

        logger.error("登入失败");
        if (LoginType.JSON.equals(securityProperties.getBrowse().getLoginType())) {
            response.setStatus(HttpStatus.INTERNAL_SERVER_ERROR.value());
            response.setContentType("application/json;charset=UTF-8");
            response.getWriter().write(objectMapper.writeValueAsString(CommonReturnType.fail(exception.getMessage())));
        } else {
            super.onAuthenticationFailure(request, response, exception);
        }
    }
}
